9
Do’s & Don’ts
Ensure that the control card at the back of the manual is
completed and fixed at the consumer unit along with any
plans and electrical test records as per the current edition of
BS7671�
Ensure the termination and coldtail joints are within a full bed
of adhesive/plaster directly beneath the heated floor or wall
finish�
Ensure the heat output of the floor or wall meets your
requirements�
Install the sensor probe centrally between two parallel runs of
heating cable and away from other heat sources such as hot
water pipes, lighting fixtures etc�
Use adhesives and grouts suitable for use with heating�
Ensure all furniture installed over underfloor heating has feet,
creating a minimum 50 mm ventilated space beneath it to
allow heat flow into the room�
Ensure that during the course of the installation no damage is
caused to the heater by falling or sharp objects�
Cut or shorten the heating element at any time�
Leave surplus heater rolled up under units or fixtures, use the
correct size heater�
Connect two heaters in series, only connect heaters in
parallel�
Attempt a DIY repair if you damage the heater, contact
Warmup for assistance�
Tape over manufactured joints or the sensor probe tip�
Install items above the heating system which have a
combined resistance of more than 1�5 tog in floor applications
or 1 tog in wall applications, as this may cause overheating�
Bend the heating cable under 25mm radius�
Install the thermostat on the same wall as the heating mat in
wall heating applications�
Install penetrating fixtures into the heated wall such as
shower screens, towel rails, mirrors etc�
DO
DON’T
